Chinese Journal of Catalysis ›› 2017, Vol. 38 ›› Issue (1): 168-175.DOI: 10.1016/S1872-2067(17)62756-6

• Article • Previous Articles    

A shaped binderless ZSM-11 zeolite catalyst for direct amination of isobutene to tert-butylamine

Wanshuo Zhanga,b, Shangyao Gaob,c, Sujuan Xieb, Hui Liub,d, Xiangxue Zhub, Yongchen Shanga, Shenglin Liub, Longya Xub, Ye Zhange   

  1. a College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, Heilongjiang, China;
    b Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;
    c University of Chinese Academy of Sciences, Beijing 100049, China;
    d Research and Development Center, Sinochem Quanzhou Petrochemical Co., Ltd., Quanzhou 362103, Fujian, China;
    e PetroChina Fushun Petrochemical Company, Fushun 113008, Liaoning, China
  • Received:2016-10-20 Revised:2016-11-22 Online:2017-01-18 Published:2017-01-18
  • Contact: Yongchen Shang,Tel:+86-13936570503;E-mail:yongchenshang@163.com;Shenglin Liu,Tel:+86-411-84379968;E-mail:slliu@dicp.ac.cn
  • Supported by:

    This work was supported by K.C.Wong Education Foundation, Hong Kong (201611), and Youth Innovation Promotion Association, CAS (20120155).

Abstract:

A shaped binderless and two binder-containing ZSM-11 zeolite catalysts were prepared and char-acterized by powder X-ray diffraction, N2 adsorption-desorption, and pyridine adsorption-infrared measurements. The binderless catalyst was synthesized using a dry-gel conversion technique, in which 1,6-hexanediamine and tetrabutylammonium bromide were used as structure-directing agents and no other alkaline materials were added. The catalytic performance of the zeolites in the direct amination of isobutene to tert-butylamine was evaluated in a fixed-bed reactor. By virtue of its high crystallinity as well as its good mechanical strength, the shaped binderless ZSM-11 catalyst showed a higher rate of formation of tert-butylamine than did the binder-containing catalysts.

Key words: Binderless zeolite, ZSM-11, Amination, Isobutene, Tert-butylamine